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  1. Article

    Open Access

    ZnFe2O4@SiO2@L-lysine@SO3H: preparation, characterization, and its catalytic applications in the oxidation of sulfides and synthesis of Bis(pyrazolyl)methanes

    Herein, we report the synthesis of ZnFe2O4@SiO2@L-lysine@SO3H as a green, novel magnetic nanocatalyst, containing the sulfuric acid catalytic sites on the surface of zinc ferrite as the catalytic support. The phy...

    Amir Ghanbarpour, Arash Ghorbani-Choghamarani, Hamid Aghavandi in Scientific Reports (2024)

  2. Article

    Open Access

    The effect of antimicrobial activity of Teucrium Polium on Oral Streptococcus Mutans: a randomized cross-over clinical trial study

    The purpose of this study is to determine the effect of a mouthwash containing Teucriumpolium herb on Streptococcus mutans in mouth.

    Somayeh Khoramian Tusi, Ahmad Jafari, Seyed Mahmoud Amin Marashi in BMC Oral Health (2020)

  3. Article

    Open Access

    A crossectional investigation of the relationship between complementary health insurance and frequency of dental visits in 15 to 64 years old of Tehran population, Iran, a secondary data analysis (urban HEART-2)

    This study aimed to investigate the relationship between complementary health insurance and frequency of dental visits.

    Morteza Rostam Beigi, Ahmad Reza Shamshiri in BMC Health Services Research (2019)

  4. No Access

    Article

    Prediction of blasting-induced fragmentation in Meydook copper mine using empirical, statistical, and mutual information models

    One of the most important aims of blasting in open pit mines is to reach desirable size of fragmentation. Prediction of fragmentation has great importance in an attempt to prevent economic drawbacks. In this s...

    Naeim Ghaeini, Mojtaba Mousakhani in Arabian Journal of Geosciences (2017)

  5. Article

    Open Access

    Numerical analysis of rock fracturing by gas pressure using the extended finite element method

    High energy gas fracturing is a simple approach of applying high pressure gas to stimulate wells by generating several radial cracks without creating any other damages to the wells. In this paper, a numerical ...

    Majid Goodarzi, Soheil Mohammadi, Ahmad Jafari in Petroleum Science (2015)

  6. No Access

    Chapter and Conference Paper

    An ANFIS-Based Fault Classification Approach in Double-Circuit Transmission Line Using Current Samples

    Transmission line protective relaying is an essential feature of a reliable power system operation. Fast detecting, isolating, locating and repairing of the different faults are critical in maintaining a relia...

    Mohammad Amin Jarrahi, Haidar Samet in Advances in Computational Intelligence (2015)

  7. Article

    Open Access

    Assessment of periodontal knowledge following a mass media oral health promotion campaign: a population-based study

    Oral health promotion can be achieved through education using various approaches including mass media health education campaigns. Mass media campaigns might increase oral health knowledge and perhaps could lea...

    Mahdia Gholami, Afsaneh Pakdaman, Ali Montazeri, Ahmad Jafari in BMC Oral Health (2014)